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Principal Data Scientist - Gen AI

Xometry· Data Science and Engineering
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Hybrid (Waltham, MA or North Bethesda, MD)$200k - $230kFull-timePosted 4mo ago

About the role

Principal Data Scientist to lead Generative AI initiatives, specializing in fine-tuning generative and language models, multimodal document understanding, and structured data extraction. Technical leader for high-stakes initiatives including DFM AI + IQE integration with Siemens; owns 12-24 month technical roadmap and drives cross-functional ML/AI programs.

Responsibilities

  • Own and drive an 18-24 month technical roadmap that balances innovation with disciplined business value delivery; lead strategic planning and roadmap development for generative AI initiatives
  • Develop and deploy generative AI models and large language models (LLMs) for multimodal document processing; focus on extracting structured data from technical drawings, purchasing orders, and other complex documents; train and fine-tune generative and language models
  • Provide technical leadership to the Generative AI team; set technical direction, define best practices, ensure adherence to industry standards in AI/ML development
  • Influence roadmaps, priorities, and resourcing of partner engineering, product, and business teams; collaborate with cross-functional teams to align solutions with business needs
  • Serve as the technical architect for the embedded DFM AI + IQE track; lead integration into Siemens ecosystem (Designcenter and Teamcenter); enable real-time manufacturability feedback and pricing via native 3D geometry
  • Design and implement data preparation, cleaning, and augmentation workflows; use cloud platforms (e.g., AWS) for large-scale data processing, model training, and deployment; iterate on model performance to improve accuracy and efficiency
  • Mentor scientists and engineers; stay updated with latest research in generative AI, deep learning, and multimodal data processing

Qualifications

  • Typically 10+ years of experience with a broad and deep portfolio of applied ML and data science work; or PhD with 6+ years of relevant experience
  • Bachelor’s degree required; advanced degree (MS or PhD) in CS, ML, AI, or related field highly preferred
  • Expert-level proficiency in Python and scientific computing; production-grade ML systems experience; proficient in Python libraries (PyTorch, TensorFlow, pandas, numpy)
  • Recognized depth in ML/statistical methodology; expertise in large-scale language and vision models (Transformers, GPT, VLMs) and multimodal data processing (text, image, 3D); strong background in probability, statistics, optimization for generative modeling
  • Ability to drive 18-24 month technical initiatives with organizational impact; familiarity with cloud resources for training/deployment (e.g., AWS SageMaker); understanding of software engineering principles (version control, reproducibility, CI)
  • Exceptional communication and ability to align executives and cross-functional partners around ambitious scientific directions
  • Domain experience in manufacturing, supply chain, or related industries is a plus

Skills

Required:Technical roadmap developmentGenerative AI model developmentCross-functional leadership

Benefits

  • 401(k) match
  • medical, dental and vision insurance
  • life and disability insurance
  • paid time off including vacation, sick leave, floating and fixed holidays, maternity and bonding leave
  • employee assistance program (EAP) and wellbeing resources
Last updated Jul 15, 2026. Interested? Apply on the company site.

About Xometry

Where Big Ideas Are Built | Production Parts and Prototypes | Xometry

Xometry is a leader in high-precision production part and prototyping manufacturing on demand. Get instant quotes on CNC machining, 3D printing, sheet metal fabrication, laser cutting, and more.

CNC Machining3D PrintingSheet Metal FabricationLaser CuttingPrototypingInjection MoldingMetal Part ProductionHigh-Volume Metal Production
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